5 papers
Digging into the Massive Protostar S255IR NIRS3: A Study of Nitrogen-Bearing Molecules and Their Prebiotic Chemistry
Arijit Manna, Sabyasachi Pal, Tapas Baug +4
The study of complex nitrogen (N)-bearing molecules is essential for probing the physical and chemical evolution of star-forming regions. In this paper, we present the identificati…
Studying Ionospheric Phase Structure Functions Using Wide-Band uGMRT (Band-4) Interferometric Data
Dipanjan Banerjee, Abhik Ghosh, Sushanta K. Mondal +1
Interferometric observations of the low-frequency radio sky (< 1 GHz) are largely limited by systematic effects introduced by the ionosphere. Here, we analyse a ten-hour nighttime…
Organic Acid Chemistry in ISM: Detection of Formic Acid and its Prebiotic Chemistry in Hot Core G358.930.03 MM1
Arijit Manna, Sabyasachi Pal, Sekhar Sinha +1
In the interstellar medium, formic acid (HCOOH) plays a significant role in the synthesis of the simplest amino acid, glycine (NHCHCOOH). The presence of HCOOH suggests…
Hybrid Morphology Radio Sources from the MeerKAT Absorption Line Survey (MALS): Radio, Mid-infrared and Environmental Characteristics
Souvik Manik, Shobha Kumari, Netai Bhukta +2
Hybrid morphology radio sources (HyMoRSs) are a rare subclass of radio galaxies that display a Fanaroff-Riley type I (FR I) morphology on one side of the central supermassive black…
Probing Equatorial Ionospheric TEC at Sub-GHz Frequencies with Wide-Band (B4) uGMRT Interferometric Data
Dipanjan Banerjee, Abhik Ghosh, Sushanta K Mondal +1
Phase stability at low radio frequencies is severely impacted by ionospheric propagation delays. Radio interferometers such as the Giant Metrewave Radio Telescope (GMRT) are capabl…